JIT: Assertion failed 'varTypeIsIntegral(node)'

[AndyAyersMS]

https://dev.azure.com/dnceng-public/public/_build/results?buildId=1073262&view=ms.vss-test-web.build-test-results-tab&runId=29099388&resultId=216718&paneView=dotnet-dnceng.dnceng-build-release-tasks.helix-test-information-tab

C:\h\w\A22908DF\w\B2F40A06\e>"C:\h\w\A22908DF\p\dotnet.exe" exec --runtimeconfig System.Memory.Tests.runtimeconfig.json --depsfile System.Memory.Tests.deps.json xunit.console.dll System.Memory.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing  
  Discovering: System.Memory.Tests (method display = ClassAndMethod, method display options = None)
  Discovered:  System.Memory.Tests (found 2812 of 2841 test cases)
  Starting:    System.Memory.Tests (parallel test collections = on [4 threads], stop on fail = off)

Assert failure(PID 2940 [0x00000b7c], Thread: 6688 [0x1a20]): Assertion failed 'varTypeIsIntegral(node)' in 'System.SpanTests.SpanTests:AsciiNeedle_ProperlyHandlesEdgeCases_Byte(bool)' during 'Morph - Global' (IL size 479; hash 0xb15a988f; Tier1-OSR)

    File: D:\a\_work\1\s\src\coreclr\jit\assertionprop.cpp:145

Likely a consequence of #116759

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